Orange County observer. [volume] (Hillsborough, N.C.) 1880-1918, 1887-06-18
SCIENTIFIC SCRAPS.

By lowering an electric light photo
graphs have been obtained of the deep
sea bottom
DR. Samuel Sexton, speaking OF the
great danger of injury to cars under
cannon frlng. says thers is probably no
better protection than q firm wad of
cotton wool well advanced into the ex.
ternal auditory cana
In many parts OF France heavy ua
chinery is run by artesian-well power.
The deeper the we'll the greater the
pressure A we'll at Grencllo has a pres
sure of 60 pounds to the square inch,
and the water is so hot that it is usei
for heating the hospitals in the vicinity.
A doctor in St Louis explains the
necessity for having two ears by the fact
that aound is always heard more dis
tinctly by one ear than by the other,
and in this way it Is located. A man
with but one ear can hear just as we'll as
man with two. but he cannot locate tho
sound.
The bridge over the straits Of Messna,
that separate Sicily from Italy, will,
| when completed, hc one Of tue most
striking feats of modern engineering.
The place selected is where the channel
is l. 2 miles wide and SOL feet deep
and two piers will support viaduct OF
| efa fn Hat., n fa.,t II
the water.
The Canadian Department of the In
terror IS compt ting arrangements Tor
geological and Typographical expedition
to the gold fields Of British Columbia,
lying on the Alaskan frontier The ex-
pedition will set out and its work will
extend over two years, the idea being
that the party shall explore the entire
country and prepare full report for
Parliament on its resources and conii-
ton.
Bells ''Cliuptology" says that the
paramount considerations for the pro
motion Of health arc An abundance Of
pure air, sunshine and outdoor exercise.
Without these no climate is promoiivo
of health or propitious for the cure OF
disease, and with them, it is safe to say,
the human powers of accommodation are
such tn at it is difficult to distinguish the
peculiarities OF any climate by their Joint
results on the health and longevity Of its
subjects.
Steel, although hard, is very brittle.
but a needle may he driven through a
copper cent in the following manner:
Introduce the needle into A cork Of tho
same length; place the needle and its
cork over cent laid upon bolt nut, or
even upon table that you do n"A fear
to injurc, and then 'akc a rather heavy
hammer and strike the cork hard blow.
If the bow be true and 4 hari one the
needle will pass through the cent. The
experiment may be tried with any other
piece Of money.
While il may seem singular that the
division line between animals and plants
cannot be clearly traced some forms
appearing to belong to eitSer OF both
kingdoms--it is still more remarkable
That mineral substances should seem &c
DC living creatures. One Of the most in
tcrestng finds in the ocean depths Is
Huxcy's Bathybiue, made of shapeless
motionlcss slime. /, has been suppose
TO be the common origin Of the anima
and vegetable Kingdom. but its orgsnjc
character has Lately been 2 questioned
and many natura!ists now consider i
only gelatinous gypsum In Eoloo'
Canadensis we have another anima. of
few years ago which is now regarded a
a mineral substance